The group of people in the church are called a congregation.
People at a concert are called several things:crowdaudienceconcertgoersfans
It is called a quintet
A group with nine people is called a nonet.
A group called the Turks.
Quartet.
A group of four people singing is called a quartet.
They are called quadruplets.
One word is quartet.Some others are tetrad and foursome.If they are four people, a jocular term is "gang of four".
Quartet.
Quad or its derivatives refer to four of something or a forth part of something. A group of four people is called a quartet, one of these would be a quarter of the quartet
The four ateroids names reported by TFAGOPG (The Four Asteroids Group of People Group) says that they are named Meg, Jo, Beth, and Amy. This cluster of asteroids is also called the LW asteroids. Statistics provided by: TFAGOPG and LW Asteroid Group
A quartet
A group with nine people is called a nonet.
A group of people is called a crowd
A group of four musicians or singers are called a quartet. A group of five musicians or singers are called a quintet.
The noun for a four person singing group or musicians is a quartet.